Have you look for dirt and water in transfer case, pumkins? drain the oil and add new in the pumkins takeoff inspection plate look to see what is going on. This will save you money especially if you can fix it yourself.
Grinding noise sounds like the linkage is not adjusted correctly.
check joints in front drive shaft
check the guard behind the rotors could be rubbing
The grinding noise in the front of a 1990 Dodge Caravan could be a cv joint. If it is, it probably only grinds when you take a sharp turn. There is one located on each side.
it sounds like your sprag in the tranny is starting to ware
What would cause a grinding noise after a tire is replaced and the brakes are not worn?
it could be a rock or your cars not funny
The pump will need replaced if it is grinding.
Check the brakes for worn pads. The pad backer scraping the rotor is the most common cause of this type of noise.
A 2000 Chevrolet automobile grinding noise can be caused by several things. The most common cause of a grinding noise is worn brake pads.
If the grinding sound seems to be coming from the speedometer and grinds faster as your speed increases, the likely cause is the speedometer cable. At least some 1990 Dodge trucks (mine) have electric speedometers Len
Its usually a U joint. Click under acceleration . While turning,a CV joint. Grinding or moaning is usually a bearing.
Check the wheel bearing.
Noises have to be heard to be correctly diagnoised. Check the motor mounts to see if they are broken.